38766398 has 16 divisors (see below), whose sum is σ = 63558000. Its totient is φ = 17587200.

The previous prime is 38766391. The next prime is 38766407. The reversal of 38766398 is 89366783.

It is a super-2 number, since 2×38766398² = 3005667227788808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38766391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12728 + ... + 15476.

It is an arithmetic number, because the mean of its divisors is an integer number (3972375).

Almost surely, 2^38766398 is an apocalyptic number.

38766398 is a deficient number, since it is larger than the sum of its proper divisors (24791602).

38766398 is a wasteful number, since it uses less digits than its factorization.

38766398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403.

The product of its digits is 1306368, while the sum is 50.

The square root of 38766398 is about 6226.2667787367. The cubic root of 38766398 is about 338.4426992136.

The spelling of 38766398 in words is "thirty-eight million, seven hundred sixty-six thousand, three hundred ninety-eight".